53263531 has 2 divisors, whose sum is σ = 53263532. Its totient is φ = 53263530.

The previous prime is 53263519. The next prime is 53263543. The reversal of 53263531 is 13536235.

It is a balanced prime because it is at equal distance from previous prime (53263519) and next prime (53263543).

It is a cyclic number.

It is not a de Polignac number, because 53263531 - 2¹⁷ = 53132459 is a prime.

It is a super-2 number, since 2×53263531² = 5674007469175922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53263531.

It is not a weakly prime, because it can be changed into another prime (53266531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26631765 + 26631766.

It is an arithmetic number, because the mean of its divisors is an integer number (26631766).

Almost surely, 2^53263531 is an apocalyptic number.

53263531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53263531 is an equidigital number, since it uses as much as digits as its factorization.

53263531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 28.

The square root of 53263531 is about 7298.1868296173. The cubic root of 53263531 is about 376.2501235821.

Adding to 53263531 its reverse (13536235), we get a palindrome (66799766).

The spelling of 53263531 in words is "fifty-three million, two hundred sixty-three thousand, five hundred thirty-one".